SECTION 09720 PRESENTATION DRY ERASE AND TACKABLE WALLCOVERING PART 1 - GENERAL 1.01 SUMMARY A. Division Includes: 1. Dry Erase/Projection Wallcovering 2. Accessories B. Related Divisions: 1. Division 09 20 00 Plaster and Gypsum Board:Wall substrate. 2. Division 09 91 23 Interior Painting: Priming for vinyl wall coverings. 3. Division 09 72 16.13 Flexible Vinyl Wall Coverings. 1.02 REFERENCES A. American Society for Testing and Materials (ASTM): E84 Test Method for Surface Burning Characteristics of Building Materials. B. Gypsum Association GA-14-M-97 Recommended Levels of Gypsum Board Finish. 1.03 SUBMITTALS A. Manufacturer's product data and installation instructions for each type of dry erase wallcovering, adhesive, and accessories required. B. Manufacturer's written product data indicating compliance with specified materials required. C. Manufacturer's written installation instructions. D. Manufacturer's written instructions for recommended maintenance of each type of dry erase wallcovering required. E. Samples: 1. 7 x 9 inch (18 x 23 centimeter) samples of each dry erase material required. 1.04 QUALITY ASSURANCE A. Manufacturer: Provide each type of dry erase wallcovering required produced by one manufacturer. 09720 - 1 2032-42
B. Installer: Installation by skilled commercial wallcovering contractor with no less than three years of documented experience installing dry erase wallcovering of the types and extent required. C. Surface Burning Characteristics Classification: Provide materials that meet Class I/A rating when tested in accordance with ASTM E84 for flame spread and smoke developed. 1.05 PRODUCT DELIVERY, STORAGE, AND HANDLING A. Deliver presentation wallcoverings to the project site in unbroken and undamaged original factory packaging and clearly labeled with the manufacturer’s identification label, quality or grade, and lot number. B. Store materials in a clean, dry storage area with temperature maintained above 55 � F (13 � C) with normal humidity. C. Store material within original packaging to prevent damage. 1.06 PROJECT CONDITIONS A. Do not apply presentation wallcoverings when surface and ambient temperatures are outside the temperature ranges required by the wallcovering manufacturer. B. Provide continuous ventilation and heating facilities to maintain substrate surface and ambient temperatures above 55 � F (13 � C) unless required otherwise by manufacturer’s instructions. C. Apply adhesive when substrate surface temperature and ambient temperature is above 55 � F (13 � C) and relative humidity is below forty percent. D. Maintain constant recommended temperature and humidity for at least seventy-two hours prior to and throughout the installation period, and for seventy-two hours after wallcovering installation completion. E. Provide not less than 80-foot-candles per square foot lighting level measured mid-height at substrate surfaces. 1.07 WARRANTY Submit manufacturer’s limited five-year written warranty against manufacturing defects. 1.08 MAINTENANCE Maintenance instructions: Include precautions against cleaning materials and methods that may be detrimental to finishes and performance. 09720 - 2 2032-42
PART 2 - PRODUCTS 2.01 MANUFACTURER Wallcoverings: Walltalkers Wallcoverings manufactured by RJF International Corporation, Fairlawn, Ohio, and distributed by Koroseal Interior Products Group. 2.02 MATERIALS A. Walltalkers just•rite : Smooth medium gloss vinyl surface for projection and dry erase markers. JR48: 47/48 inch (119/122 centimeter) width, scrim backing. 2.03 ACCESSORIES A. Adhesives: As provided by Manufacturer for products specified. B. Substrate Primer/Sealer: White pigmented acrylic base primer/sealer specifically formulated for use with vinyl wallcoverings. C. Presentation Starter Kit: Provide one Walltalkers starter kit containing eight dry erase markers, two erasers, ten cleaning towels, and one 8 ounce (.23 kilogram) bottle liquid surface cleaning solution for each room installed with dry erase wallcovering. D. Broad Tip Low Odor Dry Erase Markers: 1. DEBB-00: Set of four colors: red, blue, green, black. E. Eraser: DEFE: Dry erase felt eraser - black. F. Liquid Surface Cleaner: 1. RCCG: 1 gallon (1.81 kilogram) bottle liquid surface cleaner. G. Cleaning Towels: TOWEL: Package of ten cleaning towels. H. Towelettes: DET1: Dry erase towelettes. PART 3 - EXECUTION 3.01 EXAMINATION A. Examine substrates and installation conditions to ensure surface conditions meet or exceed a Level 4 finish, per GA-214-M-97: Recommended Levels of Gypsum Board Finish, and permanent lighting should be installed and operational. 09720 - 3 2032-42
B. Test substrate with a suitable moisture meter and verify that moisture content does not exceed four percent. C. Verify substrate surface is clean, dry, smooth, structurally sound, and free from surface defects and imperfections that would show through the finished surface. D. Evaluate all painted surfaces for the possibility of pigment bleed-through. E. Notify the contractor and architect in writing of any conditions detrimental to the proper and timely completion of the installation. F. Beginning of installation means acceptance of surface conditions. 3.02 INSTALLATION A. Acclimate wallcovering in the area of installation a minimum of twenty-four hours before installation. B. Read and follow the manufacturer’s installation instruction sheet contained for each type of wallcovering specified. C. Examine all materials for pattern, color, quantity and quality, as specified for the correct location prior to cutting. D. Adhesive: Apply a uniform coat of heavy-duty pre-mixed clay-based or extra strength clear wallcovering adhesive. E. Primer: Use a quality pigmented acrylic wallcovering primer. F. When covering the entire wall, seam the material out of the main writing and viewing areas of the wall. 3.03 CLEAN-UP A. Upon completion of installation, remove all exposed adhesive immediately using a soft cloth and a warm, mild soap solution and rinse thoroughly with water and dry with clean towel prior to using. B. Upon completion of the work, remove surplus materials, rubbish, and debris resulting from the wallcovering installation. Leave areas in neat, clean, and orderly condition. END OF SECTION 09720 - 4 2032-42
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